SM UC-17 was a German Type UC II minelaying submarine or U-boat in the Imperial German Navy in World War I. She was ordered on 29 August 1915 and launched on 29 February 1916. She was commissioned into the Imperial German Navy on 21 July 1916 as SM UC-17.[1]
In 21 patrols UC-17 was credited with sinking 96 ships by either torpedo or laying mines. They included the Royal Fleet Auxiliary munitions ship, which she torpedoed and sank in the English Channel on 26 March 1918.
Like all pre-UC-25 Type UC II submarines, UC-17 had a displacement of 417t when at the surface and 493t while submerged. She had a total length of 49.35m (161.91feet) overall, a beam of 5.22m (17.13feet), and a draught of 3.650NaN0. The submarine was powered by two six-cylinder four-stroke diesel engines each producing 250PS (a total of 500PS), two electric motors producing 460PS, and two propeller shafts. She had a dive time of 35 seconds and was capable of operating at a depth of .
The submarine had a maximum surface speed of and a submerged speed of . When submerged, she could operate for at ; when surfaced, she could travel at . UC-17 was fitted with six mine tubes, eighteen UC 200 mines, three torpedo tubes (one on the stern and two on the bow), seven torpedoes, and one 8.8sp=usNaNsp=us Uk L/30 deck gun. Her complement was twenty-six crew members.
UC-17 was surrendered on 26 November 1918 and broken up at Preston in 1919–20.
| Date | Name | Nationality | Tonnage[2] | Fate[3] | |
|---|---|---|---|---|---|
| 6 November 1916 | Fanelly |  France | 307 | Sunk | |
| 7 November 1916 | Furulund |  Norway | 1,817 | Sunk | |
| 7 November 1916 | Suffolk Coast |  United Kingdom | 780 | Sunk | |
| 7 November 1916 | Thuhaug | Norway | 948 | Sunk | |
| 10 November 1916 | HMT Benton Castle | 283 | Sunk | ||
| 11 November 1916 | Seirstad | Norway | 995 | Sunk | |
| 14 November 1916 | Oiz Mendi |  Spain | 2,104 | Sunk | |
| 14 November 1916 | Alcyon | France | 59 | Sunk | |
| 15 November 1916 | La Rochejacquelein | France | 2,199 | Sunk | |
| 15 November 1916 | Torridal | Norway | 688 | Sunk | |
| 16 November 1916 | Eugenie | France | 66 | Sunk | |
| 16 November 1916 | Petit Jean | France | 126 | Sunk | |
| 21 November 1916 | Faunus |  Sweden | 749 | Sunk | |
| 15 December 1916 | Constance Mary | United Kingdom | 177 | Sunk | |
| 17 December 1916 | Alerte | France | 176 | Sunk | |
| 18 December 1916 | La Vague | France | 167 | Sunk | |
| 18 December 1916 | Maria Louis | France | 108 | Sunk | |
| 18 December 1916 | Quo Vadis | France | 110 | Sunk | |
| 20 December 1916 | Otarie Ii | France | 109 | Sunk | |
| 20 December 1916 | Saint Antoine De Padoue | France | 32 | Sunk | |
| 21 December 1916 | HMT St. Ives | 325 | Sunk | ||
| 24 December 1916 | Bargany | United Kingdom | 872 | Sunk | |
| 25 December 1916 | Courlis | France | 181 | Sunk | |
| 28 December 1916 | Pitho | United Kingdom | 150 | Sunk | |
| 28 December 1916 | Union | Norway | 563 | Sunk | |
| 20 January 1917 | Standard |  Denmark | 217 | Sunk | |
| 22 January 1917 | Gaulois | France | 76 | Sunk | |
| 22 January 1917 | O. A. Brodin | Sweden | 1,798 | Sunk | |
| 23 January 1917 | Egypte |  Belgium | 2,416 | Sunk | |
| 23 January 1917 | Ophelia | France | 159 | Sunk | |
| 31 January 1917 | Epsilon |  Netherlands | 3,211 | Sunk | |
| 16 February 1917 | Hermine | France | 3,940 | Sunk | |
| 18 February 1917 | Thorgny | Norway | 734 | Sunk | |
| 19 February 1917 | Centurion | United Kingdom | 1,828 | Sunk | |
| 19 February 1917 | HMT Picton Castle | 245 | Sunk | ||
| 20 February 1917 | Falls of Afton | Norway | 1,965 | Sunk | |
| 21 February 1917 | Manningham | Sweden | 1,988 | Sunk | |
| 22 February 1917 | Norway | 1,468 | Sunk | ||
| 22 February 1917 | Saint Sauveur | France | 158 | Sunk | |
| 23 February 1917 | Belgier | United Kingdom | 4,588 | Sunk | |
| 23 February 1917 | Iser | United Kingdom | 2,160 | Sunk | |
| 23 February 1917 | Nyland | Norway | 1,824 | Sunk | |
| 24 February 1917 | Salamis |  Greece | 995 | Sunk | |
| 25 February 1917 | Kleber | France | 95 | Sunk | |
| 26 February 1917 | Le Lamentin | France | 716 | Sunk | |
| 7 March 1917 | Antonio | United Kingdom | 2,652 | Sunk | |
| 19 March 1917 | Rhodora | France | 38 | Sunk | |
| 21 March 1917 | Huntscape | United Kingdom | 2,933 | Damaged | |
| 22 March 1917 | Curlew | United Kingdom | 51 | Sunk | |
| 22 March 1917 | United Kingdom | 11,140 | Sunk | ||
| 23 March 1917 | Maine | United Kingdom | 3,616 | Sunk | |
| 23 March 1917 | Mexico | United Kingdom | 5,549 | Damaged | |
| 24 March 1917 | Alice | United Kingdom | 61 | Sunk | |
| 24 March 1917 | Boy Walter | United Kingdom | 43 | Sunk | |
| 24 March 1917 | Endeavour | United Kingdom | 25 | Sunk | |
| 24 March 1917 | Enigma | United Kingdom | 24 | Sunk | |
| 24 March 1917 | H.C.G. | United Kingdom | 24 | Sunk | |
| 24 March 1917 | May Flower | United Kingdom | 38 | Sunk | |
| 24 March 1917 | Qui Vive | United Kingdom | 22 | Sunk | |
| 24 March 1917 | Reindeer | United Kingdom | 28 | Sunk | |
| 24 March 1917 | Satanita | United Kingdom | 30 | Sunk | |
| 9 May 1917 | Marchiena | Netherlands | 170 | Sunk | |
| 10 May 1917 | Veni | Norway | 654 | Sunk | |
| 12 May 1917 | G.L.C. | United Kingdom | 24 | Sunk | |
| 12 May 1917 | Galicia | United Kingdom | 5,922 | Sunk | |
| 13 May 1917 | Anna | Denmark | 610 | Sunk | |
| 13 May 1917 | Hudson | Norway | 817 | Sunk | |
| 14 May 1917 | Farley | United Kingdom | 3,692 | Sunk | |
| 16 May 1917 | L’hermite | France | 2,189 | Damaged | |
| 19 May 1917 | HMT Kumu | 315 | Damaged | ||
| 18 June 1917 | HMT Borneo | 211 | Sunk | ||
| 19 June 1917 | Kate And Annie | United Kingdom | 96 | Sunk | |
| 19 June 1917 | Mary Ann | United Kingdom | 164 | Damaged | |
| 21 June 1917 | Childe Harold |  United States | 781 | Sunk | |
| 21 June 1917 | Scheria | 2,727 | Sunk | ||
| 24 June 1917 | Clan Davidson | United Kingdom | 6,486 | Sunk | |
| 24 June 1917 | Crown of Arragon | United Kingdom | 4,550 | Sunk | |
| 25 June 1917 | Galena | United States | 1,073 | Sunk | |
| 25 June 1917 | Saxon Monarch | United Kingdom | 4,828 | Sunk | |
| 20 July 1917 | City Of Florence | United Kingdom | 5,399 | Sunk | |
| 21 July 1917 | Augustus Welt | United States | 1,221 | Sunk | |
| 19 August 1917 | Brema | United Kingdom | 1,537 | Sunk | |
| 21 August 1917 | Norhilda | United Kingdom | 1,175 | Sunk | |
| 8 September 1917 | Askelad | Norway | 2,823 | Sunk | |
| 9 September 1917 | Tuscarora | United Kingdom | 7,106 | Damaged | |
| 16 September 1917 | Thomas Krag | Norway | 3,569 | Damaged | |
| 2 November 1917 | Cape Finisterre | United Kingdom | 4,380 | Sunk | |
| 4 November 1917 | Border Knight | United Kingdom | 3,724 | Sunk | |
| 2 December 1917 | Tasmania | 2,089 | Sunk | ||
| 4 December 1917 | Forfar | United Kingdom | 3,827 | Sunk | |
| 6 December 1917 | Asaba | United Kingdom | 972 | Sunk | |
| 7 February 1918 | Creosol | United Kingdom | 1,179 | Sunk | |
| 7 February 1918 | Elfi | Norway | 1,120 | Sunk | |
| 23 March 1918 | HMD New Dawn | 93 | Sunk | ||
| 24 March 1918 | War Knight | United Kingdom | 7,951 | Sunk | |
| 26 March 1918 | Royal Fleet Auxiliary | 2,516 | Sunk | ||
| 26 April 1918 | Sif | Norway | 3,282 | Damaged | |
| 29 April 1918 | Frogner | Norway | 1,476 | Sunk | |
| 30 April 1918 | Isleworth | United Kingdom | 2,871 | Sunk | |
| 24 May 1918 | HMT Gabir | 219 | Sunk | ||
| 24 May 1918 | HMT Yucca | 198 | Sunk | ||
| 26 May 1918 | Thames | United Kingdom | 1,327 | Sunk | |
| 30 May 1918 | Dungeness | United Kingdom | 2,748 | Damaged | |
| 28 June 1918 | Sunniva | United Kingdom | 1,913 | Sunk | |
| 8 October 1918 | Thalia | United Kingdom | 1,308 | Sunk |